Sites with heavy JavaScript often face the challenge of reconciling loading speed with the rich and interactive user experience that users expect. This dissonance can lead to slow loading times, user frustration, and consequently, revenue loss. INP (Interaction to Next Paint) optimization emerges as a crucial solution for these sites.

By focusing on optimizing the time between user interaction and the next paint rendering on the screen, INP ensures that sites respond quickly and provide a smooth experience, even with complex scripts.

1. Identifying Performance Bottlenecks

The first step in optimizing INP is to conduct a detailed audit using tools like Chrome DevTools. These tools allow you to analyze INP time and identify elements that negatively impact it. Additionally, it is essential to adopt performance monitoring tools to track INP time across different devices and network conditions, ensuring precise analysis tailored to various user experiences.

2. Prioritizing Optimizations

After identifying bottlenecks, some optimization strategies should be prioritized:

• JavaScript Optimization: Techniques such as minification, compression, and asynchronous loading are essential to reduce the size and impact of JavaScript on page rendering.
• Lazy Loading: Implement lazy loading to load images, scripts, and other resources only when needed, significantly improving loading times.
• Content Caching: Using browser and server cache is crucial to reduce the loading time of static resources and improve the overall site performance.

3. Adopting Effective Development Practices

For long-term optimizations, it is vital to adopt effective development practices:

• Modular Architecture: Organize JavaScript code into independent modules to facilitate loading and execution.
• CSS Minification: Minify CSS code to reduce its size and impact on loading time.
• Avoiding Unnecessary Third-Party Libraries: Critically evaluate the need for each JavaScript library, using them only when strictly necessary.

4. Monitoring and Adjusting

INP optimization is an ongoing process. Regularly monitor INP time and other performance indicators after implementing optimizations. Based on the collected data, make fine-tuning adjustments to achieve the best possible performance.

Benefits of INP Optimization

Effective INP optimization brings numerous benefits:

• Improved User Experience: Sites with optimized INP offer a faster, smoother, and more enjoyable browsing experience.
• Increased Conversion: An enhanced user experience leads to increased conversions and revenue.
• Better SEO: Google prioritizes sites with fast loading times in its search results, improving your site’s visibility.

Additional Resources

• Google Developer’s Guide to INP
• INP Optimization for Heavy JavaScript Sites

• INP Optimization Tools

Contact Grumft!

INP optimization is essential for heavy JavaScript sites that wish to offer a superior user experience and maximize their results. By following the steps and practices described above, publishers and developers can master speed and user experience in complex publications.

Grumft offers ad tags that do not interfere with the user experience or the INP optimizations of Core Web Vitals for the publisher. Our experts are available for a conversation and to help you optimize your site for success. Contact us now!

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